ciancia opened fire in terminal three before being shot and taken into custody. 39-year-old jgerardo hernandez was killed. by now, these detail, the victim, the shooter, the place, they've become a familiar litany in the wake of shootings that have captured national attention for their current and public settings. as is the call that inevitably follows to make those spaces safer. only this time the site of the shooting, the airport, was supposed to be our safest space. the dramatic retooling of aviation security over the last decade gave u.s. travelers their most palpable experience of a life in a post 9/11 world, performance of the ritual, the ticket counter interrogation, the tiny bottles of liquid, the invasive hand searches, removing of shoes. they're supposed to be assurances of safe passage. yesterday a man with a gun walks into an airport and pulls the trigger. and reminds us just how vulnerable we really are. i'm going to turn to los angeles where nbc news correspondent miguel almaguer is at the l.a.x. airport with the latest on this story. miguel? >> reporter: good morning. the suspec